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| Mirrors > Home > MPE Home > Th. List > pnrmtop | Structured version Visualization version GIF version | ||
| Description: A perfectly normal space is a topological space. (Contributed by Mario Carneiro, 26-Aug-2015.) |
| Ref | Expression |
|---|---|
| pnrmtop | ⊢ (𝐽 ∈ PNrm → 𝐽 ∈ Top) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | pnrmnrm 23534 | . 2 ⊢ (𝐽 ∈ PNrm → 𝐽 ∈ Nrm) | |
| 2 | nrmtop 23530 | . 2 ⊢ (𝐽 ∈ Nrm → 𝐽 ∈ Top) | |
| 3 | 1, 2 | syl 18 | 1 ⊢ (𝐽 ∈ PNrm → 𝐽 ∈ Top) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∈ wcel 2146 Topctop 23087 Nrmcnrm 23504 PNrmcpnrm 23506 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-ext 2738 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2745 df-cleq 2758 df-clel 2841 df-ral 3083 df-rex 3093 df-rab 3420 df-v 3460 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-br 5115 df-opab 5179 df-mpt 5198 df-cnv 5674 df-dm 5676 df-rn 5677 df-iota 6499 df-fv 6551 df-ov 7426 df-nrm 23511 df-pnrm 23513 |
| This theorem is used by: pnrmopn 23537 |
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